MacLeod meets a criminal Immortal who uses poison gas to commit robbery, killing anyone who gets in his way; Richie falls for a mysterious older woman.
The murder investigation of a state senator leads the team to discover a revenge plot against people involved in a govt. based behavior modification program.
A high priced professional hitman sees Reno as his next target, although he has no interest in killing him; instead he has a different plan in mind for Reno.
When a notorious saloon owner decides to open an establishment in town, Dan uncovers her pattern of using her sex appeal to be acquitted of her crimes.
After learning that his own son has decided to leave home in order to join a gang of outlaws, a concerned banker decides to commission Josh's expertise.
Paladin encounters an infirmed old man and his overwhelmed son struggling to protect their mine from claim jumpers; the old man thinks that Paladin is satan.
Rose Cornelius and her band of ten brothers have fenced off the entire trail that Favor needs to cross in order to get the large herd of cattle to water.
When Bart pursues a swindler in order to reclaim stolen money, he discovers the thief has targeted a widow and convinced her that her husband is still alive.
An away team from the U.S.S. Enterprise discovers a vengeful microscopic organism while investigating the accidental death of an engineer on Velara III.
Quark lies about killing a Klingon patron to stir up intrigue and profits, but his dishonesty backfires when he is forced to prevent a Klingon house from ruin.
The Enterprise finds itself with a strange new alien that resembles a web for a passenger, and Hoshi is the only remaining crewmember who can speak with it.
Don and Charlie try to catch a serial killer who decided to seek murderous revenge on Internet sexual predators; Larry is leaving on a six month NASA mission.
A teenage girl escapes from a polygamous cult after being beaten and left for dead, and Charlie and Amita hope to find the cult leader by deciphering a chart.